Which of the following is NOT a requirement for diagnosing Major Depressive Disorder?

The diagnosis of Major Depressive Disorder (MDD) is based on specific criteria outlined in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). To diagnose MDD, an individual must exhibit at least five symptoms, one of which must be either a depressed mood or a loss of interest or pleasure in nearly all activities.

The requirement regarding presenting low mood for most of the day is crucial as it directly references the core symptom of depression. Similarly, experiencing significant weight changes and feelings of worthlessness are explicitly mentioned in the diagnostic criteria as potential indicators of the disorder.

On the other hand, while low motivation for change can be a symptom associated with individuals suffering from depression, it is not formally listed as a criterion for diagnosing MDD. Therefore, it does not fulfill the necessary requirements for diagnosis and is the correct choice in this context.